Borderou de evaluare (job #18197)

Compilare: user.c: In function ‘main’: user.c:22:5: warning: implicit declaration of function ‘cmmdc’ [-Wimplicit-function-declaration] user.c:13:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘cmmdc’: user.c:40:5: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized]